1 /* Copyright (C) 2009-2017  B.A.T.M.A.N. contributors:
2  *
3  * Marek Lindner
4  *
5  * This program is free software; you can redistribute it and/or
6  * modify it under the terms of version 2 of the GNU General Public
7  * License as published by the Free Software Foundation.
8  *
9  * This program is distributed in the hope that it will be useful, but
10  * WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12  * General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program; if not, see <http://www.gnu.org/licenses/>.
16  */
17 
18 #ifndef _NET_BATMAN_ADV_GATEWAY_CLIENT_H_
19 #define _NET_BATMAN_ADV_GATEWAY_CLIENT_H_
20 
21 #include "main.h"
22 
23 #include <linux/types.h>
24 
25 struct batadv_tvlv_gateway_data;
26 struct netlink_callback;
27 struct seq_file;
28 struct sk_buff;
29 
30 void batadv_gw_check_client_stop(struct batadv_priv *bat_priv);
31 void batadv_gw_reselect(struct batadv_priv *bat_priv);
32 void batadv_gw_election(struct batadv_priv *bat_priv);
33 struct batadv_orig_node *
34 batadv_gw_get_selected_orig(struct batadv_priv *bat_priv);
35 void batadv_gw_check_election(struct batadv_priv *bat_priv,
36 			      struct batadv_orig_node *orig_node);
37 void batadv_gw_node_update(struct batadv_priv *bat_priv,
38 			   struct batadv_orig_node *orig_node,
39 			   struct batadv_tvlv_gateway_data *gateway);
40 void batadv_gw_node_delete(struct batadv_priv *bat_priv,
41 			   struct batadv_orig_node *orig_node);
42 void batadv_gw_node_free(struct batadv_priv *bat_priv);
43 void batadv_gw_node_put(struct batadv_gw_node *gw_node);
44 struct batadv_gw_node *
45 batadv_gw_get_selected_gw_node(struct batadv_priv *bat_priv);
46 int batadv_gw_client_seq_print_text(struct seq_file *seq, void *offset);
47 int batadv_gw_dump(struct sk_buff *msg, struct netlink_callback *cb);
48 bool batadv_gw_out_of_range(struct batadv_priv *bat_priv, struct sk_buff *skb);
49 enum batadv_dhcp_recipient
50 batadv_gw_dhcp_recipient_get(struct sk_buff *skb, unsigned int *header_len,
51 			     u8 *chaddr);
52 struct batadv_gw_node *batadv_gw_node_get(struct batadv_priv *bat_priv,
53 					  struct batadv_orig_node *orig_node);
54 
55 #endif /* _NET_BATMAN_ADV_GATEWAY_CLIENT_H_ */
56